hush-mic
The package downloads a prebuilt SDK binary (afx-link) from a non-standard, non-whitelisted host (cdn.hush.umceko.com) which could be swapped by an unrelated party, posing a supply-chain risk despite building the main application from source.
Triggered rules
source_untrusted_domain
One or more source=() URLs point to a host outside the trusted allowlist (github.com, gitlab.com, codeberg.org, pypi.org, …).
-
PKGBUILD:20
"afx-link-${_sdkver}.tar.zst::https://cdn.hush.umceko.com/sdk/${_sdkver}/afx-link-x86_64.tar.zst")
llm_review
An AI model (qwen/qwen3-235b-a22b-2507) reviewed this and agrees it is MEDIUM (confidence 85%): The package downloads a prebuilt SDK binary (afx-link) from a non-standard, non-whitelisted host (cdn.hush.umceko.com) which could be swapped by an unrelated party, posing a supply-chain risk despite building the main application from source.
PKGBUILD
1 offending line(s) highlighted# Maintainer: umceko <support@stockimg.ai>
pkgname=hush-mic
pkgver=1.0.0
pkgrel=2
pkgdesc="NVIDIA Maxine AI noise-suppression virtual microphone (built from source)"
arch=('x86_64')
url="https://github.com/UMCEKO/hush"
license=('MIT')
depends=('webkit2gtk-4.1' 'gtk3' 'libsoup3' 'glib-networking' 'pipewire' 'libpulse' 'dbus' 'gcc-libs')
makedepends=('rust>=1.88' 'cargo' 'pkgconf' 'clang')
optdepends=('nvidia-utils: nvidia-smi GPU detection (required at runtime)')
# makepkg's -flto=auto in CFLAGS turns ring's C objects into GCC LTO bitcode,
# which rust-lld can't read -> undefined ring_core_* symbols at link time.
options=('!lto')
provides=('hush-mic')
# 'hush'/'hush-bin' (an unrelated Lua shell) also install /usr/bin/hush
conflicts=('hush-mic-bin' 'hush' 'hush-bin')
_sdkver=2.1.0
source=("hush-$pkgver.tar.gz::https://github.com/UMCEKO/hush/archive/refs/tags/v$pkgver.tar.gz"
"afx-link-${_sdkver}.tar.zst::https://cdn.hush.umceko.com/sdk/${_sdkver}/afx-link-x86_64.tar.zst")
sha256sums=('SKIP'
'eb381134dcfae78a35b85f06c6d2c87103efbb7e736e0dcbcd3daa4fc359eba5')
prepare() {
cd "hush-$pkgver"
# Fetch the git-pinned dioxus/blitz deps up front (network is allowed here).
export CARGO_HOME="$srcdir/cargo-home"
cargo fetch --locked --target x86_64-unknown-linux-gnu
# Unpack the link libs (libnv_audiofx + libcudart) into a flat NVAFX_LINK_DIR.
mkdir -p "$srcdir/linklibs"
bsdtar -xf "$srcdir/afx-link-${_sdkver}.tar.zst" -C "$srcdir/linklibs"
}
build() {
cd "hush-$pkgver"
export CARGO_HOME="$srcdir/cargo-home"
export NVAFX_LINK_DIR="$srcdir/linklibs"
export RUSTUP_TOOLCHAIN=stable
cargo build --frozen --release -p hush-app -p hush-engine --bin hush --bin hushd
}
package() {
cd "hush-$pkgver"
install -Dm755 target/release/hush "$pkgdir/usr/bin/hush"
install -Dm755 target/release/hushd "$pkgdir/usr/bin/hushd"
install -Dm644 dist/io.github.umceko.hush.desktop "$pkgdir/usr/share/applications/io.github.umceko.hush.desktop"
install -Dm644 dist/hush.svg "$pkgdir/usr/share/icons/hicolor/scalable/apps/hush.svg"
install -Dm644 dist/NVIDIA_NOTICE.txt "$pkgdir/usr/share/licenses/$pkgname/NVIDIA_NOTICE.txt"
install -Dm644 dist/FONT_LICENSES.txt "$pkgdir/usr/share/licenses/$pkgname/FONT_LICENSES.txt"
install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}
Scan history
| Scanned at (UTC) | Severity | Rules |
|---|---|---|
| 2026-09-17 00:27:14 | Medium | 2 |
| 2026-09-16 00:03:17 | Medium | 2 |
| 2026-09-15 00:25:31 | Medium | 2 |
| 2026-09-14 00:27:57 | Medium | 2 |
| 2026-09-13 00:19:54 | Medium | 2 |
| 2026-09-12 00:25:17 | Medium | 2 |
| 2026-09-11 00:19:22 | Medium | 2 |
| 2026-09-10 00:22:44 | Medium | 2 |
| 2026-09-09 00:04:09 | Medium | 2 |
| 2026-09-08 00:18:08 | Medium | 2 |
| 2026-09-07 00:30:15 | Medium | 2 |
| 2026-09-06 00:17:06 | Medium | 2 |
| 2026-09-05 00:16:27 | Medium | 2 |
| 2026-09-04 00:03:13 | Medium | 2 |
| 2026-09-03 00:15:47 | Medium | 2 |
| 2026-09-02 00:02:31 | Medium | 2 |
| 2026-09-01 00:11:19 | Medium | 2 |
| 2026-08-31 00:19:57 | Medium | 2 |
| 2026-08-30 00:04:14 | Medium | 2 |
| 2026-08-29 00:29:17 | Medium | 2 |